@misc{indiciae7de203642d60,
  title = {Spermatozoa--their persistence after sexual intercourse.},
  author = {G M Willott and J E Allard},
  doi = {10.1016/0379-0738(82)90040-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/7040183/},
  note = {Source identifier: 7040183}
}